Re: [PATCH 3/9] block: Generalize get_current_ioprio() for any task

Hi Jan,

I love your patch! Yet something to improve:

[auto build test ERROR on axboe-block/for-next]
[also build test ERROR on linus/master v5.19-rc3 next-20220621]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Jan-Kara/block-Fix-IO-priority-mess/20220621-183235
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: s390-randconfig-r021-20220622 (https://download.01.org/0day-ci/archive/20220622/202206220956.wXt005QG-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project af6d2a0b6825e71965f3e2701a63c239fa0ad70f)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install s390 cross compiling tool for clang build
        # apt-get install binutils-s390x-linux-gnu
        # https://github.com/intel-lab-lkp/linux/commit/8421c851d4fe5f4b9d9d6870ada8ccd0b48a4012
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jan-Kara/block-Fix-IO-priority-mess/20220621-183235
        git checkout 8421c851d4fe5f4b9d9d6870ada8ccd0b48a4012
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash lib/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   In file included from lib/test_bitops.c:9:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:160:
   In file included from include/linux/compat.h:17:
   In file included from include/linux/fs.h:38:

quoted

include/linux/ioprio.h:60:27: error: incompatible pointer to integer conversion passing 'struct task_struct *' to parameter of type 'int' [-Werror,-Wint-conversion]

           return __get_task_ioprio(current);
                                    ^~~~~~~
   arch/s390/include/asm/current.h:17:17: note: expanded from macro 'current'
   #define current ((struct task_struct *const)S390_lowcore.current_task)
                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/ioprio.h:52:41: note: passing argument to parameter 'ioprio' here
   static inline int __get_task_ioprio(int ioprio)
                                           ^
   1 error generated.


vim +60 include/linux/ioprio.h

    57	
    58	static inline int get_current_ioprio(void)
    59	{
  > 60		return __get_task_ioprio(current);
    61	}
    62	

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